試題詳解

31-65題’每題2分。70%_:_ 說明:每題選出一個最適當的選項，標示在答案卡上。每題答對得2分，答錯倒扣0.5分，未作答者 ，不給分亦不扣分。__ 31. A nursing infant is able to obtain disease-fighting antibodies, which are large protein molecules, from its mother's milk. These molecules probably enter the cells lining the baby's digestive tract via
(A) osmosis
(B) passive transport
(C) exocytosis
(D) active transport
(E) endocytosis